Cody Simpson and his Dancing With the Stars partner Witney Carson are sounding off on Meryl Davis and Maksim Chmerkovskiy 's big DWTS win ! "I'm so happy," the Aussie singer, who was booted from the show during week five, told E! "I think they totally deserved it," Carson added. "They killed it ever single week," Simpson went on. "The chemistry's there!" "They definitely could be something but I don't think anyone knows for sure," Carson added. "This season's been amazing."